US Debt -- Private, Public, "Sovereign" and "Federal"

I am now beginning to understand the totality of recorded US debt, also known as "Credit Market Debt" and as "public and private debt".

Several previous posts ( here.and here) have briefly discussed various components of this $52 trillion US debt.  This post focuses on the "US federal government debt" component of the $52 trillion, and its connection with "sovereign debt", and budget deficits.  It is also the first in a number of posts to begin relating, in some detail,  US debt and US borrowing, to US consumption (GDP), US GDP growth, and US federal government budgets, and to compare those entities with similar entities in other parts of the world.

Figure 1 starts the ball rolling by breaking down the $52 trillion debt into its components, and their recent history, as reported by the Federal Flow of Funds report published March 2010.

Figure 1 US Public and Private Debt (Total Debt) by Component